Even when I was a kid I couldn’t accept how bad Joel Shoemaker’s “Batman & Robin” was. Even though we now have Nolan’s Batman movies, it still can’t wash away the image of Clooney’s rubbery ‘bat-ass’ from my childhood. However, this week Jon and Al Kaplan have created another musical Shwarzenegger masterpiece with “Batman, You Son-of-a-Bitch!”